Replace all non-alphanumeric characters in a string

Question

I have a string with which i want to replace any character that isn\'t a standard character or number such as (a-z or 0-9) with an asterisk. For example, \"h^&ell`.,|o w

Answer 1

Try:

s = filter(str.isalnum, s)

in Python3:

s = ''.join(filter(str.isalnum, s))

Edit: realized that the OP wants to replace non-chars with '*'. My answer does not fit